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src/ytdl_sub/script/functions/boolean_functions.py

@@ -3,48 +3,84 @@ from ytdl_sub.script.types.resolvable import Boolean
 
 
 class BooleanFunctions:
+    """
+    Comparison functions that output Booleans.
+    """
+
     @staticmethod
     def bool(value: AnyType) -> Boolean:
         """
-        Cast any type to a boolean
+        Cast any type to a Boolean.
         """
         return Boolean(bool(value.value))
 
     @staticmethod
-    def equals(left: AnyType, right: AnyType) -> Boolean:
+    def eq(left: AnyType, right: AnyType) -> Boolean:
         """
-        Returns True if left equals right. False otherwise.
+        ``==`` operator. Returns True if left == right. False otherwise.
         """
         return Boolean(left.value == right.value)
 
+    @staticmethod
+    def ne(left: AnyType, right: AnyType) -> Boolean:
+        """
+        ``!=`` operator. Returns True if left != right. False otherwise.
+        """
+        return Boolean(left.value != right.value)
+
     @staticmethod
     def lt(left: AnyType, right: AnyType) -> Boolean:
+        """
+        ``<`` operator. Returns True if left < right. False otherwise.
+        """
         return Boolean(left.value < right.value)
 
     @staticmethod
     def lte(left: AnyType, right: AnyType) -> Boolean:
+        """
+        ``<=`` operator. Returns True if left <= right. False otherwise.
+        """
         return Boolean(left.value <= right.value)
 
     @staticmethod
     def gt(left: AnyType, right: AnyType) -> Boolean:
+        """
+        ``>`` operator. Returns True if left > right. False otherwise.
+        """
         return Boolean(left.value > right.value)
 
     @staticmethod
     def gte(left: AnyType, right: AnyType) -> Boolean:
+        """
+        ``>=`` operator. Returns True if left >= right. False otherwise.
+        """
         return Boolean(left.value >= right.value)
 
     @staticmethod
     def and_(left: Boolean, right: Boolean) -> Boolean:
+        """
+        ``and`` operator. Returns True if left and right are both True. False otherwise.
+        """
         return Boolean(left.value and right.value)
 
     @staticmethod
     def or_(left: Boolean, right: Boolean) -> Boolean:
+        """
+        ``or`` operator. Returns True if either left or right are True. False otherwise.
+        """
         return Boolean(left.value or right.value)
 
     @staticmethod
     def xor(left: Boolean, right: Boolean) -> Boolean:
+        """
+        ``^`` operator. Returns True if either left or right are True and the other is False.
+        Returns False otherwise.
+        """
         return Boolean(left.value ^ right.value)
 
     @staticmethod
     def not_(value: Boolean) -> Boolean:
+        """
+        ``not`` operator. Returns the opposite of value.
+        """
         return Boolean(not value.value)

src/ytdl_sub/script/utils/type_checking.py

@@ -14,6 +14,7 @@ from ytdl_sub.script.utils.exceptions import UNREACHABLE
 
 # pylint: disable=missing-raises-doc
 
+
 def is_union(arg_type: Type) -> bool:
     """
     Returns